[PATCH v2 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
From: Lee Jones <hidden>
Date: 2017-01-27 17:30:24
Also in:
linux-arm-kernel, linux-serial, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Each serial port which supports HW flow-control should have 2 Pinctrl groups. Once for when HW flow-control is in progress, where the IP will take over controlling the lines and another group which enables the lines to be toggled using GPIO mechanisms. Signed-off-by: Lee Jones <redacted> --- arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/stih407-pinctrl.dtsi b/arch/arm/boot/dts/stih407-pinctrl.dtsi
index daab16b..fbb7f86 100644
--- a/arch/arm/boot/dts/stih407-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih407-pinctrl.dtsi@@ -465,8 +465,16 @@ serial0 { pinctrl_serial0: serial0-0 { st,pins { - tx = <&pio17 0 ALT1 OUT>; - rx = <&pio17 1 ALT1 IN>; + tx = <&pio17 0 ALT1 OUT>; + rx = <&pio17 1 ALT1 IN>; + }; + }; + pinctrl_serial0_flowctrl: serial0-0_flowctrl { + st,pins { + tx = <&pio17 0 ALT1 OUT>; + rx = <&pio17 1 ALT1 IN>; + cts = <&pio17 2 ALT1 IN>; + rts = <&pio17 3 ALT1 OUT>; }; }; };
--
2.9.3
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